
SCOM
Authored by Maria Tejedor
Other
University
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261 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El numero de fotodiodos requeridos en un receptor de diversidad de fase de un sistema coherente
con multiplexacion en polarizacion es
2
4
8
16
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El nu´mero de fotodiodos requeridos en un receptor balanceado de un sistema coherente con multiple- xaci´on en polarizaci´on es
2
4
8
16
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El numero de moduladores Mach-Zehnder necesarios en el transmisor de un sistema PM-QPSK es:
2
4
8
16
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los moduladores I-Q empleados es sistemas coherentes se basan en:
Un MZM simple
Dos MZM en paralelo
Un modulador FP simple
Dos moduladores FP en paralelo
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los receptores empleados en sistemas PM-QPSK:
Precisan un laser como oscilador local.
Convierte la se~nal optica a una frecuencia intermedia de 2,5 GHz aproximadamente.
Necesita 16 fotodiodos
Precisa un ancho de banda mayor que la tasa binaria
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los receptores coherentes digitales empleados en sistemas actuales para se~nales PM-QPSK
No precisan de un laser como Oscilador Local
Estan basados en DSPs de alta velocidad
Generan una frecuencia intermedia en la banda de 2,5 GHz
Utilizan dos fotodiodos por polarizacion
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El numero de ADCs requeridos en el receptor de un sistema coherente con multiplexacion por polarizacion
es
1
2
3
4
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